Bobbe,
Thank you for sharing your concerns, you bring up a great point, there is definitely a risk the conversation will go off-topic when incorporating any kind of message board component to a course. If a student has only recently been introduced to a topic, erroneous information posted by a well meaning student will confuse learners so it is advised to closely monitor such discussion and chime in as the educator and moderator in order to steer the conversation in the right direction. I do believe deep and meaningful conversation between peers does support learning, and social media tools or… >>>